Front

What is the primary function of the deltoid muscle?

Back

The deltoid muscle is responsible for shoulder abduction, flexion, and extension.

Front

What are the main functions of the pectoral muscles?

Back

The pectoral muscles primarily function in shoulder flexion, adduction, and internal rotation.

Front

What type of muscle tissue is found only in the heart?

Back

Cardiac muscle tissue.

Front

What is the role of the adductor muscles in the thigh?

Back

The adductor muscles are responsible for bringing the legs together and allowing for movements such as crossing one leg over the other.

Front

Where is the origin of the bicep muscle located?

Back

The origin of the bicep muscle is located closest to the shoulder.

Front

What are the three types of muscle tissue in the human body?

Back

The three types of muscle tissue are skeletal, cardiac, and smooth muscle.

Front

What is the primary function of skeletal muscles?

Back

Skeletal muscles are responsible for voluntary movements and are attached to bones.

Front

How do smooth muscles differ from skeletal muscles?

Back

Smooth muscles are involuntary and are found in the walls of hollow organs, while skeletal muscles are voluntary and striated.

Front

What is the role of the triceps muscle?

Back

The triceps muscle is responsible for elbow extension.

Front

What is the significance of muscle origin and insertion points?

Back

The origin is the fixed attachment point of a muscle, while the insertion is the movable attachment point, determining the muscle's action.